An all-round introduction is given mainly on experimental evaluations on the conductivity of hydraulic fracture in CBM Wells.
本文主要围绕煤层气井压裂裂缝导流能力实验评价展开介绍。
Firstly, punishment has made systematic all-round introduction from time immemorial to our country expropriation , has pointed out and every stage expropriation punishment characteristic.
首先，对我国没收财产刑从古到今做了全面系统的介绍，并指出各阶段没收财产刑的特点。
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